1975 Royal Greenwich Observatory 57mm Sterling Silver Medal Set, Gorgeously Toned PF-2/Cr.169 1867 oz AGW Description Obverse

1867 oz AGW Description Obverse Finer beard

Includes a $5 gold coin produced at the West Point Mint

2" diameter

for a total ASW of approximately 5

1890-E ~ Crisp Very Fine

1975 Royal Greenwich Observatory 57mm Sterling Silver Medal Set, Gorgeously Toned PF-2/Cr.169 1867 oz AGW Description ObverseLimited to just 1,000 strikes, these . 925 Silver Medals were struck by the Royal Mint in honour of 300 years of The Royal Greenwich Observatory. Medal #1 celebrates the Ramsden sextant (Jesse Ramsden) Medal #2 celebrates the armillary sphere. Medal #3 celebrates the first marine timekeeper (John Harrison) Each medal weighs 3. 2 troy ounces for a total of 8. 88 toz net pure silver. For as good as these look in the pictures, I think they look even